Note 12 - Regulatory Capital (Details Textual) $ / shares in Units, $ in Millions |
1 Months Ended | 12 Months Ended | |
|---|---|---|---|
|
Nov. 30, 2020
$ / shares
|
Dec. 31, 2020
USD ($)
$ / shares
|
Dec. 31, 2019
$ / shares
|
|
| Tier One Leverage Capital Required to be Well Capitalized to Average Assets | 0.075 | ||
| Dividends To Be Declared, Restrictions Amount Added To Net Profit | $ | $ 4.7 | ||
| Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ / shares | $ 0.31 | $ 1.24 | $ 1.23 |
| X | ||||||||||
- Definition Represents dividends to be declared for restrictions amount added to net profit. No definition available.
|
| X | ||||||||||
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Ratio of minimum Tier 1 leverage capital to average assets categorized as well capitalized as defined by regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|